From 08d0514eb55c73615d3517ec7ff77b0565b87c34 Mon Sep 17 00:00:00 2001
From: "sonika.rathi" <sonika.rathi@espressif.com>
Date: Tue, 11 Aug 2026 14:17:43 +0200
Subject: [PATCH] fix(esp_partition): guard linux erase_range against zero
 erase_size

---
 components/esp_partition/partition_linux.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/components/esp_partition/partition_linux.c b/components/esp_partition/partition_linux.c
index 4144ac9f9b5..00e85189a55 100644
--- a/components/esp_partition/partition_linux.c
+++ b/components/esp_partition/partition_linux.c
@@ -648,6 +648,9 @@ esp_err_t esp_partition_write_raw(const esp_partition_t *partition, size_t dst_o
 esp_err_t esp_partition_erase_range(const esp_partition_t *partition, size_t offset, size_t size)
 {
     assert(partition != NULL && s_spiflash_mem_file_buf != NULL);
+    if (partition->erase_size == 0) {
+        return ESP_ERR_INVALID_ARG;
+    }
 
     if (partition->readonly) {
         return ESP_ERR_NOT_ALLOWED;